FROM opensourcefoundries/aktualizr:0.23

RUN apt-get update \
 && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
 sudo \
 openssh-server \
 && apt-get clean \
 && rm -rf \
 /var/lib/apt/lists/* \
 /tmp/* \
 /var/tmp/*

RUN useradd -m buildslave \
 && echo 'buildslave ALL = NOPASSWD: ALL' > /etc/sudoers.d/jenkins \
 && chmod 440 /etc/sudoers.d/jenkins \
 && mkdir -p /var/run/sshd

EXPOSE 22
CMD ["/usr/sbin/sshd", "-D"]